Manhole Cover Ductile Cast Iron Made in China on Hot Sale Heavy Medium Telecom Sew
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
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1,Cast Iron Manhole Cover Description :
A manhole cover is a removable plate forming the lid over the opening of a manhole, to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.
Manhole covers are often made out of cast iron, concrete or a combination of the two. This makes them inexpensive, strong, and heavy, usually weighing more than 50 kilograms (110 lb). The weight helps to keep them in place when traffic passes over them, and makes it difficult for unauthorised people not having suitable tools to remove them.
A manhole cover sits on metal base, with a smaller inset rim which fits the cover. The base and cover are sometimes called "castings", because they are usually made by a casting process, typically sand-casting techniques.
2,Main Features of the Ductile Iron Manhole Cover:
·High endurance
·High Strength
·Pressure Resistence
·Anti-corrosion
·Anti-theft
·Good visual effect
3,Manhole Cover Images:
4,Manhole Cover Specifications:
1) Production information
Manhole cover are manufactured for construction and public use. Manhole cover shall be smooth and free sand holes, blow holes, distortion or any other defects
2) Material
A) Ductile iron GGG50
B) Grey iron GG20
3) Designs
A) EN124 Class B125 C250 D400 F 900, with different size and grammage, or as customers' requirement.
B) as per customers' drawing or samples
4) Process
A) Molding boards
B) Hand Casting
5) Coating
A) black bitumen or epoxy .
B)Coating as per customer's requirement
6) Different accessories are available
7) Packing:
Wooden case or wood pallet, or as per customers' requirement
8) Payment terms: T/T or L/C
9)Inspection
A)Inspection by our factory
B)The third party inspection,SGS
5,FAQ:
We have organized several common questions for our clients,may help you sincerely:
Q. Can I fit a square manhole cover into a round chamber?
A. Yes, there are a select few manhole covers which are square-to-round, meaning they will fit square or round chambers.
Q. I have a heavy traffic manhole cover but it has been broken by a forklift, why?
A. Forklifts have solid wheels which apply pressure differently to standard pneumatics and therefore covers must be specially adapted to suit this.
Q. I’ve measured my clear opening size but none of your covers match it, can you offer anything?
A. It’s likely that your cover is quite old and in imperial measurements which are no longer manufactured. However, we can offer bespoke solutions with manhole covers made to the specification you require.
Q. The project I’m working on requires a manhole cover with a quality finish, what’s available?
A. Naturally, galvanised steel of black polypropylene aren’t always ideal, and so we offer brass or stainless steel edging, as well as complete stainless steel covers.
Q. Odours are coming through where I have installed my manhole cover, why?
A. Your cover must be sealed and locked, or neoprene sealed, so you would require a T-Range Cover, or if you require a solid top, a selection of the PC range (e.g. PC2BG3, PC6CG3, not PC2BG) are suitable.
Q. I need access through my manhole cover on a regular basis, is this possible?
A. Yes, the majority of covers have built-in lifting keys, and for those that don’t we also supply lifting keys. However, the best way to obtain easy access is to have a bespoke, hinged manhole cover.
- Q:Metal! :D
- Metal detectors are there to find larger metal objects that is why it was not set off. Imagine stopping everyone because their zipper is metal
- Q:The list can be as long or as short as you like. Trying to widen my music taste; so far Sabbath is my fave metal band. If you want you can list the subgenre or organize them in subgenres or something. :]
- Eaither: Enter Sandman- Metallica Creeping Death- Metallica Sonne- Rammstein Ace Of Spades- Motorhead Can I Play With Madness- Iron Maiden Ozzy Osborne- Crazy Train
- Q:I think it's Nu-Metal or Glam Metal.
- I am a girl first of all, and my taste I prefer metal handcuffs. I think I would like that better because to me how I see it, if you like to be cuffed up then you like hot, rough s*x. So why have comfortable fluffy things. When you could have something that suites the situation a bit better. You know what I mean? :)
- Q:Which heavy metal magazine should i get a subscription for?i have heard of revolver and metal hammer, but i just don't know.thanks if u guys can help me
- I can't think of any Thrash Metal bands. Arch Enemy Lamb of God.. yeah that's not really Power Metal but I'm really band with sub genres. That's the best I've got. Lacuna Coil, once again, not really Symphonic, some might not even consider them Metal at all, but they are hella good! Viking Metal, I know of many Viking Metal bands, just not much about them, like the year they came from. UGH I feel like **** for giving you such a **** answer. =) Sorry.
- Q:well, this whole metal genre is so confusing, and i was making sure if sonic syndicate was...
- Oh, I love you for asking this question, Norwegian Black Metal is my favourite genre, not a big lover of trash, Im a big Megadeth fan though, Slayer a close second. My favourite band is Emperor, loved them for over 10 years, im actually bidding on their demos on okorder and got my hands on some pretty nice stuff, including Wrath of the Tyrant wild rags 93 demo on tape, and the Vinyl Presentation! Yup, I have it!! Fave Norwegian bands: EMPEROR Darkthrone Mayhem Gehenna Borknagar Carpathian Forest Burzum Thorns Satyricon Immortal (looking forward to their new one) Limbonic Art I think In The Nightside Eclipse and Transilvanian Hunger are both Black Metal masterpieces.
- Q:Which genre of metal has more rhythm, Black or Death?
- Yes, mainly the band Ministry from Chicago, Ill. (started in the USA. Hey how 'bout that, eh?) in the early/mid 80's, KMFDM, <PIG> and a few others came later in the late 80's. The genre itself exploded during the 90's and is still going strong today for those in the know.
- Q:I know metal gear solid 1 is a download but I want to get to the very first two and all I seem to be able to get to are 2,3,4 and peace walker
- Tough one but Judas Priest would be it for me, followed VERY closely behind by Black Sabbath and Metallica. Can't argue with Iron Maiden either - they are still dishing out some great music (my ears are still humming from a Montreal show a few years ago).
- Q:looking for a list of metals most corrosive to least
- I okorder
- Q:Why are metals and their atoms insoluble in water? Thank you.
- 1) by adding a less noble metal (for example Zn or aluminum to steel), which will corrode faster, meaning will oxidize faster). It's the same principle as in a battery - a more active metal will dissolve faster 2)by galvanization - physical protection by coating a corrosion-prone metal with a protective agent like zinc. Also a layer of paint, enamel, or plastic can be applied.
- Q:What's the difference between Heavy Metal, Black Metal, Death Metal, and Melodic Metal?
- This problem is straight-forward if you simply concentrate on the metal...avoid superfluous calculations...KISS comes to mind :-)) I shall assume that you omitted 'liter' in the metal ion conc...should read 0.43mols/liter. Which means that the 100 ml soln you made up from all the salt produced contains 0.043 mols metal. This same soln also contains 2.2g metal (6.8g salt - 4.6g chlorine). So the atomic mass of the metal is 52 g/mol (2.2g/0.043mols) Consulting the Periodic Chart shows Cr, chromium, is the only metal possible...QED So the metal is chromium, and the salt is chromic chloride, CrCl3 If you want to check this answer calc % metal in the salt you obtained [100x2.2/6.8 = 32.4%]....and in CrCl3 [100x52/(52+3x35.5) = 32.8%]...close enough agreement since you really only have two sig figures to work with. These problems are easy if you stay focused...right? :-))
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Manhole Cover Ductile Cast Iron Made in China on Hot Sale Heavy Medium Telecom Sew
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
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